Proceedings 

 - Paris  OECD            1976 
 - 336p.  cm. 
 - Organisation for Economic Co-operation and Development, Information Studies. 11 .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication
<br/><br/><label>Dewey Class. No.: </label>X3p1,N75, L6